First, its genes are arranged in pairs of three, not single pairs, as with humans.

首先，小麦的基因三个一对，不是跟人类一样的两个一对。

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This behavior may have evolved as dogs gradually learned they could benefit from avoiding conflicts with humans.

狗逐渐认识到避免与人类发生冲突是有益的，所以可能会逐步形成这种行为。

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When humans first emerged as a species, they shared the planet with many types of ape.

当人类首次作为一个物种出现时，他们依旧跟多种类人猿共存。

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As humans begin to disappear, the vampires must come up with a way to guarantee their future food supply.

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As with humans, these behaviors often can and should be first treated by adjusting the animal's environment and behavior.

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And just as with humans, the uninvited guests change the neighborhood.

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" She says: "I'm disgusted when people don't regard foreign domestic workers as humans with the same feelings and aspirations as others.

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